Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 5.35
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -7.86 -0.375 2.94
Prot (kg) -2.84 -0.441 1.25
Fertility Sub Index -2.47
Calving Interval (days) 2.04 -1.459 -2.98
Survival (%) 0.45 1.117 0.50
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index -0.45
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 0.31 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index -1.23
Live WT (kg) 4.00 -0.307 -1.23
Total Carbon Sub Index 1.70

* Based on an €80/tonne carbon price